How many levels of security clearance are there?

Three levels of security clearance exist: "Top Secret," "Secret" and "Confidential," with "Top Secret" being the highest level, then "Secret" and then "Confidential." The United States government d...
Read More »http://www.answerbag.com/q_view/2455241

How many security levels are there in the federal prison
system?

The Bureau of Prisons operates the federal prison system. It has established five security levels for the prisons. The levels are (from lowest to highest) minimum security, low security, medium sec...
Read More »http://www.answerbag.com/q_view/2134661

How many consumer levels are there in a grassland biome food
chain?

A grassland biome food chain consists of four consumer levels, including primary consumers or herbivores, secondary consumers or carnivores, which feed on the herbivores, tertiary consumers, which ...
Read More »http://www.answerbag.com/q_view/2240331